行业配置双周报：A股科技行情交易情绪的多维度对比-20250319

Group 1 - The trading sentiment of the A-share technology sector is currently at a high level, primarily driven by valuation rather than earnings, in contrast to the US market which is driven by both valuation and earnings [3][6][29] - The trading congestion in the A-share TMT sector has reached 43%, surpassing the previous historical high of 40%, while the US market is at 38% and Hong Kong at 39% [3][8][13] - The trading congestion of the ChiNext index is also high, currently at 37%, close to its historical peak of 41% [3][13][15] Group 2 - A-share technology sector valuations are overall high, with the computer industry PE (TTM) at 83 times, the electronics industry at 58 times, and the communication industry at 44 times, all above their historical percentiles [3][16][20] - The A-share Sci-Tech 50 index has a PE (TTM) of 87 times, which is at the 98th percentile of the past decade, while the ChiNext index is at 35 times, at the 22nd percentile [3][22][24] - A-share technology leaders have a PE average of 39 times, which is comparable to the US market, while the Hong Kong market is lower at an average of 29 times [3][26][27] Group 3 - The A-share technology market is primarily reliant on valuation fluctuations, with recent trends showing that the market's expectations for the technology sector's success rates are converging [3][29] - The performance of US technology stocks has been driven by earnings growth, with a significant portion of the gains attributed to profitability rather than valuation increases [3][29] - The report highlights a divergence in pricing logic between the US and A-share markets, with the latter being more sensitive to valuation changes [3][29]